The first graduate of the swordsmanship special student program, Yagyu Makoto. As a farewell event for him, a battle royale called "Great Capture" was held with all sword students participating! Following the white-clad fighters, a mysterious black knight also appeared, creating utter chaos at the venue, the Fire-Wind-Water Mountain. Sae vs. Jun, Yukari vs. Meiko, Tonan vs. Maki, Nagi vs. Ensetsu, and Hayate vs. Ayana…! Unprecedented duels unfold, but who will survive――!?